How do you simplify and write 2.897×103+2.09×104 in standard notation?

1 Answer
Jul 14, 2017

2.3797×104

Explanation:

To add numbers in standard notation the powers of 10 must be the same .

So one of the numbers is taken out of standard notation, then the numbers added. Then return to standard notation

2.897×103+2.09×104

=2.897×103+2.09×103×10

=2.897×103+20.9×103

(2.897+20.9)×103

23.797×103

2.3797×104